The era has arrived where AI agents call APIs, purchase data, and pay for services autonomously. In 2025, stablecoin transaction volume surpassed the combined totals of Visa and Mastercard ($33T). Coinbase unveiled x402 — embedding wallets directly into the HTTP protocol. Google launched AP2 (Agent Payments Protocol) as an open standard with 60+ partners, solving the trust problem in agent payments. The agent economy is no longer a future scenario.
This hub covers agent economy infrastructure — from technical layers (stablecoins, payment protocols, trust layers) to market dynamics (data marketplaces, micropayments). Pebblous is building core data infrastructure for this ecosystem.
Pebblous's agent economy positions:
AI Agents Are Spending Money -- Stablecoins Surpass Visa, Building Payment Infrastructure for the Data Economy
With stablecoin transaction volume reaching $27.6T in 2025 and surpassing Visa, a new economy is emerging where AI agents purchase data and pay for APIs in real time.
AI Agents Pay Directly -- x402, Embedding Wallets into HTTP
Coinbase's x402 protocol -- reviving the HTTP 402 status code to enable autonomous payments by AI agents. A technical deep dive.
Google AP2 — Solving the Trust Problem in Agent Payments, and the Truth Behind the Protocol Wars
AP2 (Agent Payments Protocol) launched as an open standard with 60+ partners. A deep dive into the mandate system, cooperation with x402, and the reality of the agent payment trust layer.
[PebbloPedia] Bitcoin -- A Hot Keyword Explained in Five Difficulty Levels
The principles of blockchain and decentralized currency that underpin the agent economy. From elementary school analogies to Austrian school economics philosophy.
🔍 Pricing Data — Value Proof, Blockchain, and the Agent Economy
Data brokers $319B vs marketplaces $1.8B — a 170x gap. Deep analysis of how Pebblous's data value proof patent becomes infrastructure for the agent economy.
2026.04.11 · Deep Dive Report
Key global coverage on agent economy technologies and protocols.
Google Cloud Blog · 2025.09.16
Digital Commerce 360 · 2025.09.19
The Defiant · 2026.01
Phemex · 2026.01